Why don't we run it the opposite way:
-IPv6 by default, else:
-Legacy: just run IPv4 with some kind of NAT.
If the answer to that question isn't obvious, I don't think I can help.
Regards,
John Levine, johnl(_at_)iecc(_dot_)com, Primary Perpetrator of "The Internet for
Dummies",
Please consider the environment before reading this e-mail. http://jl.ly
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